<template>
	<view class="container">
		
		<view class="top">
			<!-- 标签页标题 -->
		<view class="bar">
			<view class="tab-item" v-for="tab in tabs" :class="{active: tab.name === currentTab}"
			@click="switchTab(tab.name)">
				{{ tab.title }}
				
			</view>
		</view>
		<!-- <view v-if="currentTab === 'my'">这是我的页面</view>
		<view v-if="currentTab === 'music'">这是音乐馆页面</view>
		<view v-if="currentTab === 'discover'">这是发现页面</view> -->
	</view>
	<slot :name="currentTab"></slot>
	</view>
</template>

<script>
	export default {
		data() {
			 return { // 用 return 返回数据对象
			 //当前被选中的tab name
			 currentTab:'music',
			        // tab 数据
			        tabs: [{
			            name: 'my',
			            title: '我的'
			        }, 
					{
			            name: 'music',
			            title: '音乐馆'
			        }, 
					{
			            name: 'discover',
			            title: '发现'
			        }],
					}
		},
		methods: {
			//切换tab
			switchTab(tabName) {
				this.currentTab = tabName;
			}

		}
	}
</script>

<style lang="scss" scoped>
	.container {
		.top{
			width: 100%;
			box-sizing: border-box;//确保宽度是100%
			font-size: 32rpx;
			
			.bar{
				display: flex;
				justify-content: center;
				line-height:100rpx;
				background-color: #00c273;
				color: #fff;
				height: 10vh;
				
				.tab-item{
					//tab文字之间的间距
					margin:0 10rpx;
				}
				//tab菜单激活效果
				.active {
					color: black;
					font-size: 45rpx;
					font-weight: bold;
				}
			}
		}
	}
</style>
